Electroacoustic Chinese zither with built-in electronic pickup power amplifier board and sound equipment

Abstract

The utility model discloses an electroacoustic Chinese zither with a built-in electronic pickup power amplifier board and a sound box, which comprises a Chinese zither body, a battery block and a front sleeper beam fixedly connected to one side of the top of the Chinese zither body, the other side of the top of the Chinese zither body is fixedly connected with a rear sleeper beam, and one side of the front side of the Chinese zither body is provided with an electroacoustic control board. The Chinese zither comprises a Chinese zither body and further comprises a first sound hole formed in one side of the bottom of the Chinese zither body, an electroacoustic loudspeaker hole is formed in the middle of the bottom of the Chinese zither body, a second sound hole is formed in the other side of the bottom of the Chinese zither body, an inner cavity is formed in the Chinese zither body, and a positioning mechanism is arranged in the middle of the interior of the inner cavity and comprises a side plate. And the lower part of the side plate is slidably connected with a sliding rod, so that the problems that when the electric Chinese zither is collided or falls off due to unstable taking, the internal battery is easy to loosen and poor in contact, the battery is damaged, and the normal use of the electric Chinese zither is influenced are solved.

Description

Technical Field

[0001] The utility model relates to the technical field of musical instruments, in particular to an electric zither with a built-in electronic sound pickup amplifier board and a sound system. Background Art

[0002] In the traditional guzheng learning process, students usually need to rely on external audio equipment or accompaniment instruments to practice. However, these methods may not be convenient enough, and for beginners, the operation is relatively complicated. Therefore, it is necessary to provide a solution with an integrated audio system so that learners can practice more easily.

[0003] Publication No. CN208752944U discloses a bakelite guzheng, including an electronic guzheng body, on which a panel, an external audio interface, a bottom plate, a middle tone hole, an inner clapper board, an outer clapper board, a front sound hole, and a mountain are arranged. A circuit board is arranged inside the electronic guzheng body, and the electronic guzheng body is connected to a wireless transceiver via wireless. The electronic guzheng body can not only ensure that the acoustic quality is not affected, but also the front sound hole is built with a pickup and a power amplifier device, so that the interference of external noise can be effectively avoided, and the electronic guzheng body can be used for performances in different occasions. The electronic guzheng body can be adjusted at will in wireless or wired modes. The wireless connection adopts a wireless transceiver that can be inserted into the interface with an external audio on the bottom plate of the guzheng, which is convenient for connection and charging. The wireless function can avoid the problem of multiple guzhengs being connected and interfering with each other during performances, and can also avoid the problem of insufficient connection length due to venue restrictions, and can also avoid the problem of too much static noise due to too long connection. However, the patent still has the following problems in actual use:

[0004] Since the electric guzheng needs to be equipped with a corresponding charging interface and battery assembly, when it is used, if it is hit or dropped due to unstable handling, the internal battery may easily become loose and have poor contact, causing battery damage, which will also affect the normal use of the electric guzheng and has certain limitations.

[0005] The invention provides an electric zither with a built-in electronic pickup amplifier board and a sound system, so as to solve the above problems. Utility Model Content

[0006] The utility model aims to provide an electric guzheng with a built-in electronic pickup power amplifier board and a speaker, so as to solve the problem that when the electric guzheng is hit or dropped due to instability in holding, the internal battery is easily loosened and has poor contact, causing damage to the battery and affecting the normal use of the electric guzheng.

[0007] To achieve the above object, the utility model provides the following technical solutions: an electric guzheng with a built-in electronic pickup amplifier board and a sound system, comprising a guzheng body, a battery block, and a front bolster fixedly connected to one side of the top of the guzheng body, and a rear bolster fixedly connected to the other side of the top of the guzheng body;

[0008] The strings are installed between the front bolster and the rear bolster, and an electroacoustic control panel is installed on the front side of the guzheng body;

[0009] Also includes:

[0010] A sound hole 1 is provided on one side of the bottom of the guzheng body, an electric speaker hole is provided in the middle of the bottom of the guzheng body, a sound hole 2 is provided on the other side of the bottom of the guzheng body, and an inner cavity is provided inside the guzheng body;

[0011] Wherein, a positioning mechanism is arranged in the middle of the inner cavity, and the positioning mechanism comprises a side plate, and the side plates are symmetrically arranged, and a sliding rod is slidably connected to the lower part of the side plate, one end of the sliding rod is fixedly connected to the abutment plate, and the other end of the sliding rod is fixedly connected to the connection block;

[0012] Among them, a spring is sleeved on the outer side of the sliding rod, and the spring is located between the side plate and the abutment plate. A mounting groove is opened at the bottom of the guzheng body, and the mounting groove is located on one side of the electroacoustic speaker hole. A battery cover is rotatably connected to one side of the mounting groove, and a connecting rod is slidably connected to the inside of the battery cover. The top end of the connecting rod is fixedly connected to the top plate, and the bottom end of the connecting rod is fixedly connected to the fixing plate, and a fixing bolt is installed on one side of the fixing plate.

[0013] Preferably, the side panel is fixedly connected to the guzheng body, the lower portion of the abutment plate away from the sliding rod is inclined, the upper portion of the connecting block close to the sliding rod is fixedly connected to a limiting rod, and the limiting rod is slidably connected to the side panel.

[0014] Preferably, one end of the spring is fixedly connected to the abutment plate, the other end of the spring is fixedly connected to the side plate, the spring is slidably connected to the slide rod, and the battery cover is located between the top plate and the fixed plate.

[0015] Preferably, the fixing bolt is rotatably connected to the fixing plate, a stop block is fixedly connected to the bottom of the guzheng body, the fixing bolt is slidably connected to the stop block, a thread groove is provided at the bottom of the guzheng body, the position of the thread groove corresponds to the stop block, and the fixing bolt is threadedly connected to the thread groove.

[0016] Preferably, through holes are opened inside the top plate, the through holes are opened evenly, and the number of the through holes is no less than three.

[0017] Preferably, the number of the second sound holes is not less than three, and the battery cover is provided with air holes inside, and the number of the air holes is not less than four.

[0018] Preferably, a positioning plate is fixedly connected to the inner top surface of the guzheng body, the positioning plate is located between the two side plates, and the positioning plate is fixedly connected to the side plates.

[0019] Compared with the prior art, the beneficial effects of the utility model are as follows: by setting a positioning mechanism, when installing the battery block, the elastic force of the spring reacts on the abutment plate, so that the abutment plates on both sides press the battery block tightly, and the top plate cooperates with the positioning plate to clamp the upper and lower sides of the battery block. By positioning and clamping the battery block around, the situation of loosening and poor contact of the battery block when the Guzheng body is hit is reduced. The specific contents are as follows:

[0020] 1. By setting a positioning mechanism, the battery block is pushed upward between the two side plates, and the inclined part of the abutment plate is cooperated with, so that the two sides of the battery block will squeeze the abutment plate, and the abutment plate drives the sliding rod to slide and compress the spring. The elastic force of the spring reacts on the abutment plate, so that the abutment plates on both sides press the battery block tightly until the top of the battery block abuts against the positioning plate, and then the battery cover is closed. At this time, the top plate is located at the bottom of the battery block, and then the fixing bolt is screwed into the threaded groove. The fixing bolt drives the fixing plate to move up, so that the top plate cooperates with the positioning plate to clamp the upper and lower sides of the battery block. By positioning and clamping the battery block all around, the loosening and poor contact of the battery block when the guzheng body is hit is reduced, the service life of the battery block is extended, the use effect of the guzheng body is improved, and the problem of loosening and poor contact of the internal battery when the electric guzheng is hit or dropped due to unstable holding is solved, causing battery damage and affecting the normal use of the electric guzheng.

[0021] 2. An electroacoustic control board, a sound hole 1, an electroacoustic speaker hole, a sound hole 2 and a battery block are provided. The electroacoustic control board is used to provide high-quality sound output. The built-in pickup is used to collect the sound emitted by the strings and convert it into electroacoustic output. The battery block is used to realize the radio sound output of the guzheng. A speaker is installed inside the electroacoustic speaker hole to facilitate the transmission of the music accompaniment into the guzheng box to achieve sound effect improvement. Through holes and air holes are provided to facilitate heat dissipation and ventilation of the battery block. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] Figure 1 This is a schematic diagram of the three-dimensional cross-sectional structure of the Guzheng body of the utility model;

[0023] Figure 2 This is a schematic diagram of the overall structure of the front section of the Guzheng body of the utility model;

[0024] Figure 3 This is a schematic diagram of the battery cover of the utility model in a closed state;

[0025] Figure 4 For this utility model Figure 1 The enlarged structural diagram at A in the middle;

[0026] Figure 5 For this utility model Figure 2 The enlarged structural diagram at B in the middle;

[0027] Figure 6 For this utility model Figure 3 The enlarged structural diagram at C in the middle;

[0028] Figure 7 It is a schematic diagram of the three-dimensional overall structure of the utility model.

[0029] In the figure: 1. Guzheng body; 2. front bolster; 3. rear bolster; 4. strings; 5. electroacoustic control panel; 6. sound hole one; 7. electroacoustic speaker hole; 8. sound hole two; 9. battery block; 10. inner cavity; 11. side panel; 12. slide bar; 13. abutment plate; 14. connecting block; 15. spring; 16. limit rod; 17. mounting groove; 18. battery cover; 19. connecting rod; 20. top plate; 21. through hole; 22. air hole; 23. fixing plate; 24. fixing bolt; 25. abutment block; 26. threaded groove; 27. positioning plate. DETAILED DESCRIPTION

[0030] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the implementation regulations described are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0031] See also Figure 1-7 The utility model provides a technical solution: an electric guzheng with a built-in electronic pickup amplifier board and a speaker, comprising a guzheng body 1, a battery block 9 and a front bolster 2 fixedly connected to one side of the top of the guzheng body 1, a rear bolster 3 fixedly connected to the other side of the top of the guzheng body 1, and the battery block 9 is used to realize the wireless sound output of the guzheng.

[0032] Strings 4 are installed between the front bolster 2 and the rear bolster 3, and an electroacoustic control panel 5 is installed on the front side of the guzheng body 1. The electroacoustic control panel 5 is used to provide high-quality sound output and has a built-in pickup. Small round holes are symmetrically provided on both sides of the top of the guzheng body 1. The positions of the small round holes are close to the front bolster 2 and the rear bolster 3. The pickups are installed at the corresponding positions of the small round holes. The pickup model can be KD601HD2X, which is used to collect the sound emitted by the strings 4 and convert it into electroacoustic output.

[0033] A sound hole 6 is provided on one side of the bottom of the guzheng body 1, an electroacoustic speaker hole 7 is provided in the middle of the bottom of the guzheng body 1, and a speaker is installed inside the electroacoustic speaker hole 7 to facilitate the transmission of musical accompaniment into the guzheng box to achieve improved sound effects. A sound hole 2 8 is provided on the other side of the bottom of the guzheng body 1, and an inner cavity 10 is provided inside the guzheng body 1.

[0034] Among them, a positioning mechanism is arranged in the middle of the inner cavity 10, and the positioning mechanism includes a side plate 11, and the side plate 11 is symmetrically arranged. The lower part of the side plate 11 is slidably connected to a sliding rod 12, one end of the sliding rod 12 is fixedly connected to an abutment plate 13, and the other end of the sliding rod 12 is fixedly connected to a connecting block 14.

[0035] The side plate 11 is fixedly connected to the guzheng body 1 , the lower part of the side of the abutment plate 13 away from the slide bar 12 is inclined, and the upper part of the side of the connection block 14 close to the slide bar 12 is fixedly connected to the limit rod 16 , and the limit rod 16 is slidably connected to the side plate 11 .

[0036] One end of the spring 15 is fixedly connected to the abutment plate 13 , the other end of the spring 15 is fixedly connected to the side plate 11 , the spring 15 is slidably connected to the slide bar 12 , and the battery cover 18 is located between the top plate 20 and the fixed plate 23 .

[0037] Among them, a spring 15 is sleeved on the outer side of the sliding rod 12, and the spring 15 is located between the side plate 11 and the abutment plate 13. A mounting groove 17 is opened at the bottom of the guzheng body 1, and the mounting groove 17 is located on one side of the electro-acoustic speaker hole 7. A battery cover 18 is rotatably connected to one side of the mounting groove 17, and a connecting rod 19 is slidably connected to the inside of the battery cover 18. The top end of the connecting rod 19 is fixedly connected to the top plate 20, and the bottom end of the connecting rod 19 is fixedly connected to the fixing plate 23, and a fixing bolt 24 is installed on one side of the fixing plate 23.

[0038] By setting the positioning mechanism, when installing the battery block 9, first loosen the fixing bolt 24 so that the fixing bolt 24 disengages from the threaded groove 26 and the abutment 25, then flip the fixing plate 23 outward, and the fixing plate 23 drives the battery cover 18 to disengage from the installation groove 17, and then push the battery block 9 upward between the two side plates 11, cooperate with the inclined part of the abutment plate 13, the two sides of the battery block 9 will squeeze the abutment plate 13, and the abutment plate 13 drives the slide bar 12 to slide and compress the spring 15, and the elastic force of the spring 15 reacts on the abutment plate 13, so that the abutment plates 13 on both sides press the battery block 9 tightly.

[0039] Until the top of the battery block 9 abuts against the positioning plate 27, the battery cover 18 is closed. At this time, the top plate 20 is located at the bottom of the battery block 9, and the fixing bolt 24 is screwed into the threaded groove 26. The fixing bolt 24 drives the fixing plate 23 to move upward, so that the top plate 20 cooperates with the positioning plate 27 to clamp the upper and lower sides of the battery block 9. By positioning and clamping the battery block 9 on all sides, the loosening and poor contact of the battery block 9 when the guzheng body 1 is hit is reduced, the service life of the battery block 9 is extended, the use effect of the guzheng body 1 is improved, and the problem of the internal battery being loose and having poor contact when the electric guzheng is hit or dropped due to unstable holding is solved, causing damage to the battery and affecting the normal use of the electric guzheng is solved.

[0040] The top plate 20 has through holes 21 formed inside, which are evenly formed. There are no less than three through holes 21 and no less than three sound holes 28. The battery cover 18 has air holes 22 formed inside, which are no less than four. The through holes 21 and the air holes 22 are provided to facilitate heat dissipation and ventilation of the battery block 9.

[0041] The fixing bolt 24 is rotatably connected to the fixing plate 23, and a stop block 25 is fixedly connected to the bottom of the guzheng body 1. The fixing bolt 24 is slidably connected to the stop block 25. A threaded groove 26 is provided at the bottom of the guzheng body 1, and the position of the threaded groove 26 corresponds to the stop block 25. The fixing bolt 24 is threadedly connected to the threaded groove 26.

[0042] A positioning plate 27 is fixedly connected to the inner top surface of the guzheng body 1 . The positioning plate 27 is located between the two side plates 11 , and the positioning plate 27 is fixedly connected to the side plates 11 .

[0043] Working principle:

[0044] Before using this kind of electronic guzheng with built-in electronic pickup amplifier board and speakers, you need to check the overall condition of the device to make sure it can work normally. Figure 1 - Figure 7 As shown, when installing the battery block 9, first loosen the fixing bolt 24 so that the fixing bolt 24 disengages from the threaded groove 26 and the abutment 25, then flip the fixing plate 23 outward, and the fixing plate 23 drives the battery cover 18 to disengage from the installation groove 17, and then push the battery block 9 upward between the two side plates 11, and cooperate with the inclined part of the abutment plate 13. The two sides of the battery block 9 will squeeze the abutment plate 13, and the abutment plate 13 drives the slide bar 12 to slide and compress the spring 15. The elastic force of the spring 15 reacts on the abutment plate 13, so that the abutment plates 13 on both sides press the battery block 9 tightly.

[0045] Until the top of the battery block 9 abuts against the positioning plate 27, the battery cover 18 is closed. At this time, the top plate 20 is located at the bottom of the battery block 9, and the fixing bolt 24 is screwed into the threaded groove 26. The fixing bolt 24 drives the fixing plate 23 to move upward, so that the top plate 20 cooperates with the positioning plate 27 to clamp the upper and lower sides of the battery block 9. By positioning and clamping the battery block 9 on all sides, the loosening and poor contact of the battery block 9 when the Guzheng body 1 is hit is reduced, the service life of the battery block 9 is extended, and the use effect of the Guzheng body 1 is improved.

[0046] The electroacoustic control board 5 is used to provide high-quality audio output. It has a built-in pickup for collecting the sound emitted by the strings 4 and converting it into electroacoustic output. The battery block 9 is used to realize the radio sound output of the guzheng. A speaker is installed inside the electroacoustic speaker hole 7 to facilitate the transmission of the music accompaniment into the guzheng box to achieve improved sound effects.

[0047] Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art may still modify the technical solutions described in the aforementioned embodiments, or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention shall be included in the protection scope of the present invention.

Claims

1. An electric zither with a built-in electronic pickup amplifier board and a sound system, comprising a zither body (1), a battery block (9), and a front bolster (2) fixedly connected to one side of the top of the zither body (1), and a rear bolster (3) fixedly connected to the other side of the top of the zither body (1); Strings (4) are installed between the front bolster (2) and the rear bolster (3), and an electroacoustic control panel (5) is installed on the front side of the guzheng body (1); It is characterized in that Also includes: A sound hole 1 (6) is provided on one side of the bottom of the guzheng body (1), an electroacoustic speaker hole (7) is provided in the middle of the bottom of the guzheng body (1), a sound hole 2 (8) is provided on the other side of the bottom of the guzheng body (1), and an inner cavity (10) is provided inside the guzheng body (1); A positioning mechanism is provided in the middle of the inner cavity (10), and the positioning mechanism comprises a side plate (11), and the side plate (11) is symmetrically arranged, and a sliding rod (12) is slidably connected to the lower part of the side plate (11), and one end of the sliding rod (12) is fixedly connected to an abutment plate (13), and the other end of the sliding rod (12) is fixedly connected to a connecting block (14); The outer side of the slide bar (12) is sleeved with a spring (15), and the spring (15) is located between the side plate (11) and the abutment plate (13). The bottom of the guzheng body (1) is provided with a mounting groove (17), and the mounting groove (17) is located on one side of the electroacoustic speaker hole (7). The inner side of the mounting groove (17) is rotatably connected to a battery cover (18), and the inner side of the battery cover (18) is slidably connected to a connecting rod (19), the top end of the connecting rod (19) is fixedly connected to a top plate (20), and the bottom end of the connecting rod (19) is fixedly connected to a fixing plate (23), and a fixing bolt (24) is installed on the inner side of the fixing plate (23).

2. The electric guzheng with built-in electronic pickup amplifier board and sound system according to claim 1, characterized in that: The side plate (11) is fixedly connected to the guzheng body (1); the lower part of the side of the abutment plate (13) away from the slide bar (12) is inclined; the upper part of the side of the connection block (14) close to the slide bar (12) is fixedly connected to a limit rod (16); and the limit rod (16) is slidably connected to the side plate (11).

3. The electric guzheng with built-in electronic pickup amplifier board and sound system according to claim 1, characterized in that: One end of the spring (15) is fixedly connected to the abutment plate (13), the other end of the spring (15) is fixedly connected to the side plate (11), the spring (15) is slidably connected to the slide bar (12), and the battery cover (18) is located between the top plate (20) and the fixed plate (23).

4. The electric guzheng with built-in electronic pickup amplifier board and sound system according to claim 1, characterized in that: The fixing bolt (24) is rotatably connected to the fixing plate (23); a stop block (25) is fixedly connected to the bottom of the guzheng body (1); the fixing bolt (24) is slidably connected to the stop block (25); a thread groove (26) is provided at the bottom of the guzheng body (1); the position of the thread groove (26) corresponds to the stop block (25); and the fixing bolt (24) is threadedly connected to the thread groove (26).

5. The electric guzheng with built-in electronic pickup amplifier board and sound system according to claim 1, characterized in that: The top plate (20) is provided with through holes (21) inside, the through holes (21) are evenly arranged, and the number of the through holes (21) is no less than three.

6. The electric guzheng with built-in electronic pickup amplifier board and sound system according to claim 1, characterized in that: The number of the second sound holes (8) is no less than three, and the interior of the battery cover (18) is provided with air holes (22), and the number of the air holes (22) is no less than four.

7. The electric guzheng with built-in electronic pickup amplifier board and sound system according to claim 1, characterized in that: A positioning plate (27) is fixedly connected to the inner top surface of the guzheng body (1); the positioning plate (27) is located between the two side plates (11); and the positioning plate (27) is fixedly connected to the side plates (11).

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